1072920 has 32 divisors (see below), whose sum is σ = 3219120. Its totient is φ = 286080.

The previous prime is 1072919. The next prime is 1072931. The reversal of 1072920 is 292701.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4351 + ... + 4590.

2^1072920 is an apocalyptic number.

1072920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072920 is an abundant number, since it is smaller than the sum of its proper divisors (2146200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1072920 is a wasteful number, since it uses less digits than its factorization.

1072920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8955 (or 8951 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1072920 is about 1035.8185169227. The cubic root of 1072920 is about 102.3738682506.

The spelling of 1072920 in words is "one million, seventy-two thousand, nine hundred twenty".